单词学习：digger 名词
digger
/ˈdɪɡər/
挖掘者；挖掘机；掘地动物；采金矿工
The digger operated by Gu Laoshi efficiently excavated the foundation for the new school building.
顾老师操作的挖掘机高效地为新教学楼挖掘了地基。
单词卡片
卡片已就绪
